research，university，express，pacific，degree

1. When he got home，he      his thanks to his parents for their support.

2. Yang Zhenning will give a speech on science at Peking      tomorrow.

3. To do this job, you must have a Ph. D.      in physics.

4. She teaches a lot of classes and doesn't have enough time for her own      

5. The      Ocean is the biggest ocean in the world.

5. The river near my house is55 meters wide.(对画线部分提问）

4. Granny Wang has a happy life. We all take good care of her.(合并为含有定语从句的复合句）

3. With the help of GPS，they walked out of the mountains successfully.(同义句转换)

With the help of GPS,they            out of the mountains.

2. Now computers play an important part in people's everyday life.(同义句转换)

Now computers_________        in people's everyday life.

1. Chang‘e Ⅲ landed on the moon successfully. It's really the pride of Chinese people.(同义句转换）

Chang，e Ⅲ landed on the moon successfully. Chinese people            it.

(LiLeiandBillyareinthemuseum.)

A：Hi, Li Lei. Do you know the man who is riding a horse in the picture?

B：Yes，he was Zhang Qian，a great diplomat(外交家)in Chinese history.

A:A great diplomat? 1

B：During the Western Han dynasty，China's big enemy was Xiongnu living in present-day Mongolia. In order to unite Yuezhi to defeat Xiongnu, Zhang Qian took about 100 people with him to finish the mission (使命)twice. 2 he helped set up trading routes later known as the Silk Road.

A： 3 He was a great diplomat as well as a great explorer. 

B;Yes，when he came back to Xi'an ( the capital of the Western Han dynasty) ，he also brought many crops and musical instruments along the way. 

A: 4

B：Yes, we Chinese are proud of him. But after Zhang Qian returned from the kingdom of Wu Su in 115 B. C. He died two years later. 

A：What a pity！5 

B：You're welcome！

A.   Thank you for telling me so much！

B.   What a great explorer！

C.   Though he didn't complete his mission in the end,

D.   Why do you say so?

E.    It's really hard to believe！

1._________ 2._______  3._________

4._______  5._________

(   ) 5. —It's reported that in China about 7 ，300 people       cancer every day.

     —It's too terrible. We should pay more attention to our diets and do more exercise.
A. die out    B. die of

C. pass away    D. pass by

(   ) 4.——The old man has planted trees in the desert for forty years.

      ——_____ What a great man！

A. What a pity!

B.   How interesting！

C.   It's hard to believe！

D.   Come on.

(   ) 3. ―Do you know the boy      broke the window? 

     ——Sorry,I don't know.

A.   who

B.   whom

C.   that

D.   A or C